Waters Xevo TQ MS, Operator And Maintenance Manual, Page: 49 / 184

4-1
4
Maintenance Procedures
This chapter provides the maintenance guidelines and procedures
necessary to maintain the instrument’s performance.
Keep to a maintenance schedule, and perform maintenance as required
and described in this chapter.
Contents
Topic Page
Maintenance schedule 4-3
Spare parts 4-4
Troubleshooting with Connections Insight 4-5
Safety and handling 4-6
Preparing the instrument for working on the source 4-7
Removal and refitting of the source enclosure 4-8
Operating the source isolation valve 4-11
Removing O-rings and seals 4-14
Cleaning the instrument case 4-15
Emptying the nitrogen exhaust trap bottle 4-15
Inspecting the Varian roughing pump oil level 4-17
Adding oil to the Varian roughing pump 4-18
Replacing the Varian roughing pump oil and oil mist filter 4-20
Cleaning the source components 4-25
Cleaning the sampling cone assembly 4-26
Cleaning the extraction cone 4-35
Cleaning the ion block assembly 4-42
Cleaning the source hexapole assembly 4-53
Replacing the ESI probe tip and gasket 4-59
Replacing the ESI probe sample capillary 4-63
Replacing the ion block source heater 4-71